//常量 var可修改 const不可修改
var PI = 5.14
console.log(PI);
const OI = 4.12
console.log(OI);
//解构赋值
var arrr=['???','钢闪斩','狂风绝息斩']
var [x,y,z]=arrr
console.log('行于'+x,'速连'+y,'一瞬之间，便听——'+z);
var hero1={
    name:'瑞雯',
    sex:'女',
    lover:'未知'
}
let {name:wife,lover}=hero1
console.log(wife,lover);